<!DOCTYPE html>
<html>
<head>
	<meta http-equiv="Content-Type" content="text/html">
	<meta charset="utf-8" />
	<meta http-equiv="X-UA-Compatible" content="IE=edge" />
	<meta name="viewport" content="width=device-width,initial-scale=1,minimum-scale=1,maximum-scale=1,user-scalable=no" />
	<title></title>
</head>
<body erke-hide>
</body>
<script>
/**
 * @param {number} n
 * @return {boolean}
 */
var hasAlternatingBits = function(n) {
    n=n.toString(2);
    for(var i=0;i<n.length-1;i++){
    	if(n[i]==n[i+1]){
    		console.log(false);
    		return false;
    	};
    };
    console.log(true);
    return true;
};
var res=new hasAlternatingBits(7);
</script>
</html>